Minimum Window Substring Problem
Minimum Window Substring: Find smallest substring of s containing all chars from t. Use sliding window & hash maps for efficient solution.
Top Interview 150 The Minimum Window Substring problem requires finding the smallest substring of s that contains all characters from t. Let’s solve it step by step using an efficient sliding window approach. 🚀 Problem Description Given strings s and t, return the smallest substring of s such that all characters in t (including duplicates) are included in the substring. If no such substring exists, return an empty string "". 💡 Examples Example 1 Input: s = "ADOBECODEBANC", t = "ABC" Output: "BANC" Explanation: The substring "BANC" contains all characters 'A', 'B',...